BE1-50/51B - Manual Change Information
7-1
SECTION 7 • MANUAL CHANGE INFORMATION
SUMMARY AND CROSS REFERENCE GUIDE
This section contains information concerning the previous editions of the manual. The substantive changes to
date are summarized in Table 7-1.
Table 7-1. Changes
Revision
Summary of Changes
ECA/ECO/Date
A
Changed manual title to BE1-50/51B and incorporated engineering
changes accordingly.
12605/05-12-92
B
Changed the following pages.
1-1.
Application, deleted reference to dust tight cover.
1-3.
Specifications, TIME Dropout to not less than 95% of pickup
value.
1-6.
Specifications, Time Reset, added statement to insure
sufficient power to power-up relay when using decaying
characteristic.
1-7.
Specifications, corrected Storage Range Temperature
degrees F.
1-8.
Defined British Standard curve types.
2-1.
INST and TIME PICKUP selectors, added statement that
changing selectors while relay is in service may cause
tripping.
4-4.
Changed Figures 4-4 and 4-5.
4-6.
Changed Figure 4-8.
4-7.
Changed Figure 4-10.
4-9.
Time Pickup Test, Step 1., Changed 0.45 A to 0.485 A.
4-11.
Time Pickup Test, Step 1., Changed 0.09 A to 0.096 A.4-13.
Added paragraph SETTING THE RELAY
6-1.
Added Section 6.
12822/09-02-92
C
Added column for CT secondary to Table 1-1 and UL Recognition and
CSA Certification to specifications. Changed the following pages.
3-2
Deleted "or reset" from last sentence in paragraph Outputs.
Changed from "The targets will not operate or reset ..." to
"The targets will not operate..."
4-1
Corrected dielectric test leakage current per terminal.
13392/06-04-93
D
Clarified TIME PICKUP and INST PICKUP specification ranges, page 1-
3. Changed Figure 1-2 to also show one ampere unit burden data.
Changed time characteristics accuracy statement, page 1-6. Added
(repeated) equation for the characteristic curve time functions, page 1-8.
Changed Figure 1-4 to show one ampere unit starting data. Separated
Section 4 Installation, into Section 4 Installation, and Section 5, Testing
and bumped all subsequent sections.
14240/05-27-94
E
Corrected Figure 4-8.
14479/09-06-94
Содержание BE1-50B
Страница 5: ...iv BE1 50 51B Introduction Periodic Test 5 9...
Страница 39: ...BE1 50 51B Installation 4 3 Figure 4 3 Panel Drilling Diagram S1 Case Semi Flush Mount...
Страница 43: ...BE1 50 51B Installation 4 7 Figure 4 8 DC Control Connections And Jumper Configuration Terminals...
Страница 44: ...4 8 BE1 50 51B Installation Figure 4 9 BE1 50 51B Overcurrent Relay Rear View...
Страница 59: ...8 2 BE1 50 51B Relay Differences Figure 8 1 Location of Controls and Indicators 100 Series Relays...